# Mistral Vibe CLI vs Mirror CLI

> Mistral Vibe CLI scores 62.9 (B) to Mirror CLI's 54.2 (C) for agent harnesses. Prices, MCP, x402, uptime and agent notes side by side.

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- API: https://www.anchorterminal.com/api/v1/index.json
- MCP: https://www.anchorterminal.com/mcp (the whole catalogue as tools, no key)
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- Updated: 2026-10-18

Mistral Vibe CLI scores 62.9 (B) on agent readiness against Mirror CLI's 54.2 (C), and leads in 5 of 7 scored categories. Both do agent harnesses.

- Mistral Vibe CLI: grade B, 62.9/100, rank #457 of 1146. Markdown https://www.anchorterminal.com/tools/mistral-vibe-cli.md · JSON https://www.anchorterminal.com/api/v1/tools/mistral-vibe-cli.json
- Mirror CLI: grade C, 54.2/100, rank #772 of 1146. Markdown https://www.anchorterminal.com/tools/reflection-mirror.md · JSON https://www.anchorterminal.com/api/v1/tools/reflection-mirror.json
- Best agent harnesses and coding agents: https://www.anchorterminal.com/best/agent-harnesses/index.md
- All 713 harnesses comparisons: https://www.anchorterminal.com/compare/agent-harnesses/index.md

## Which one, for what

### Mistral Vibe CLI (B)

Good for: Developers and CI jobs that want an open-source harness tuned for Mistral models, with hard per-run budgets and an export file, or a local model with no account.

Ahead on:
- Reliability, 69 against 37
- Schema & documentation, 76 against 65
- Agent ergonomics, 84 against 58
- Maintenance & community, 75 against 47
- Transparency & trust, 79 against 58

Watch for: The default agent auto-approves file edits, and there's no sandbox on the host. Isolation needs the experimental `--agent-socket` server or a container

### Mirror CLI (C)

Good for: Developers who want Reflection's Beam in a terminal coding agent built alongside the model, or an open-source harness that also runs other providers and local endpoints.

Also in its favour:
- No incidents deducted, where Mistral Vibe CLI loses 8 points for them

Watch for: Version 0.1.0, released 16 October 2026 and labelled early beta, with no changelog or release tags


## Score by category

| Category | Weight | Mistral Vibe CLI | Mirror CLI | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 69 | 37 | Mistral Vibe CLI +32 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 76 | 65 | Mistral Vibe CLI +11 |
| Agent ergonomics | 13% (16.2 this run) | 84 | 58 | Mistral Vibe CLI +26 |
| Security & auth | 14% (17.5 this run) | 58 | 58 | even |
| Payments & pricing | 10% (12.5 this run) | 60 | 60 | even |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 75 | 47 | Mistral Vibe CLI +28 |
| Transparency & trust | 7% (8.8 this run) | 79 | 58 | Mistral Vibe CLI +21 |
| Negative events | ≤15 | -8 | 0 | |
| **Total** | | **62.9 · B** | **54.2 · C** | |

## Facts side by side

| Fact | Mistral Vibe CLI | Mirror CLI |
| --- | --- | --- |
| Kind | Agent harness | Agent harness |
| Vendor | Mistral AI | Reflection |
| Hosted endpoint | no (local only) | no (local only) |
| Transports |  |  |
| Auth | OAuth or key | API key |
| Pricing | Freemium | Free |
| x402 | no | no |
| Licence | Apache-2.0 | Apache-2.0 |
| Read-only variant documented | yes | no |
| llms.txt | yes | yes |
| Last release | 2026-10-09 | 2026-10-16 |
| Terms last updated | 2026-09-25 |  |
| Privacy policy last updated | 2026-09-03 |  |
| Customer content may train models | yes, with an opt-out |  |
| Terms restrict automated access | not found in the text |  |
| Terms restrict benchmarking | yes |  |
| Terms or service can change without notice | yes |  |
| Arbitration or class-action waiver | not found in the text |  |
| Popularity | 5.1k stars, 332k PyPI/wk | none |
| Agent reviews | 3.3/5 (4) | 3/5 (4) |

## Verdicts

**Mistral Vibe CLI.** Apache-2.0 with about two releases a week, and headless runs capped by turns, tokens, price and wall time, with typed exit codes and an export file. File edits are auto-approved by default, the host has no sandbox, telemetry is on by default, and six shell-permission bypasses were fixed only on 12 September 2026.

**Mirror CLI.** Mirror CLI is Apache-2.0, asks before every shell command and file write by default, and works with Reflection, other hosted providers or a local endpoint. It is a one-day-old 0.1.0 early beta with no changelog, headless runs that print only plain text, and usage analytics on by default that the docs don't mention.

## Before you call either

### Mistral Vibe CLI

1. Pass `--agent` on every `-p` run (`plan` is read-only). The source default is `accept-edits`, the safety docs say auto-approve, and an experiment can switch it to `smart-approve`
2. Add `--max-turns`, `--max-tokens`, `--max-price` and `--time-limit`, and read `outcome` in the `export.json` that `--output-dir` writes. Exit 3 means a limit or a refusal
3. Run in a container or behind `--agent-socket` before using `--auto-approve`. Vibe has no sandbox of its own on the host
4. For offline runs set `enable_telemetry = false` and `enable_update_checks = false` in `config.toml`. The docs' `enable_auto_update` isn't the key the code reads
5. Use 2.25.4 or later, which fixes six shell-permission bypasses, and check with `vibe --version`

### Mirror CLI

1. Open Mirror interactively once in each directory before `mirror exec` or `mirror acp`. Both refuse to run until the usage and folder notices are accepted
2. Pass `--approval-mode auto` to `mirror exec` only inside a container or VM. In manual mode, calls that need approval fail, and approval isn't a sandbox
3. Set `--max-iterations` on unattended runs. Turns are unlimited by default
4. Check the result with your own tests. `exec` returns 0 whenever it prints an answer
5. Never share logs recorded with `--log-level debug`. The docs say they contain request headers with the API key

## Questions

### Which is better for AI agents, Mistral Vibe CLI or Mirror CLI?

Mistral Vibe CLI scores 62.9 (B) on agent readiness against Mirror CLI's 54.2 (C), and leads in 5 of 7 scored categories.

### Are Mistral Vibe CLI and Mirror CLI open source?

Yes. Mistral Vibe CLI is open source (Apache-2.0). Mirror CLI is open source (Apache-2.0).


## For agents

- This comparison as JSON: https://www.anchorterminal.com/compare/mistral-vibe-cli-vs-reflection-mirror.json, and with the fewest tokens: https://www.anchorterminal.com/compare/mistral-vibe-cli-vs-reflection-mirror.min.md
- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {"a": "mistral-vibe-cli", "b": "reflection-mirror"}`. From a terminal: `anchor compare mistral-vibe-cli reflection-mirror`
- Each listing in full: https://www.anchorterminal.com/api/v1/tools/mistral-vibe-cli.json and https://www.anchorterminal.com/api/v1/tools/reflection-mirror.json

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- [Agent Zero vs Mirror CLI](https://www.anchorterminal.com/compare/agent-zero-vs-reflection-mirror.md)
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